/// <summary>
/// Copying the collection changes to other DetailsViewDataGrids/ SourceDataGrid
/// </summary>
public static void ProcessCollectionChanged(NotifyCollectionChangedEventArgs e, IList source, IList target, Type baseType)
{
if (target == null)
{
return;
}
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
{
foreach (var newItem in e.NewItems)
{
var clonedNewItem = CloneHelper.CreateClonedInstance(newItem, baseType);
var index = source.IndexOf(newItem);
// WPF-21377 (Issue 3) - while cloning columns, need to copy filter predicates also
if (newItem is GridColumn && (newItem as GridColumn).FilterPredicates != null && (newItem as GridColumn).FilterPredicates.Any())
{
CloneHelper.CloneCollection((newItem as GridColumn).FilterPredicates, (clonedNewItem as GridColumn).FilterPredicates, typeof(FilterPredicate));
}
target.Insert(index, clonedNewItem);
}
}
break;
case NotifyCollectionChangedAction.Remove:
{
foreach (var oldItem in e.OldItems)
{
target.RemoveAt(e.OldStartingIndex);
}
}
break;
case NotifyCollectionChangedAction.Move:
{
var obj1 = target[e.OldStartingIndex];
var obj2 = target[e.NewStartingIndex];
var num = (e.NewStartingIndex > e.OldStartingIndex) ? 1 : 0;
target.Remove(obj1);
target.Insert(target.IndexOf(obj2) + num, obj1);
}
break;
case NotifyCollectionChangedAction.Reset:
{
target.Clear();
CloneHelper.CloneCollection(source, target, baseType);
}
break;
case NotifyCollectionChangedAction.Replace:
{
target[e.OldStartingIndex] = e.NewItems[0];
}
break;
}
}
/// <summary>
/// When SortColumnDescriptions, GroupColumnDescriptions are changed, need to update this for other DetailsViewDataGrids
/// </summary>
/// <param name="notifier">DataGrid(SourceDataGrid/ DetailsViewDataGrid) which notfifies the changes</param>
/// <param name="baseType">collection type</param>
public void NotifyCollectionPropertyChanged(IDetailsViewNotifier notifier, Type baseType)
{
if (notifier.IsListenerSuspended)
{
return;
}
notifier.SuspendNotifyListener();
// Based on the SourceDataGrid property, other DetailsViewDataGrids collection is updated
foreach (var clonedDataGrid in ClonedDataGrid)
{
var clonedNotifier = clonedDataGrid as IDetailsViewNotifier;
if (clonedNotifier != null && clonedNotifier.IsListenerSuspended)
{
continue;
}
var sourceDataGrid = notifier as SfDataGrid;
if (baseType.Equals(typeof(GroupColumnDescriptions)))
{
CloneHelper.EnsureCollection <GroupColumnDescriptions, GroupColumnDescription>(sourceDataGrid.GroupColumnDescriptions, clonedDataGrid.GroupColumnDescriptions, (target, source) => target.ColumnName == source.ColumnName);
}
if (baseType.Equals(typeof(SortColumnDescriptions)))
{
CloneHelper.EnsureCollection <SortColumnDescriptions, SortColumnDescription>(sourceDataGrid.SortColumnDescriptions, clonedDataGrid.SortColumnDescriptions, (target, source) => target.ColumnName == source.ColumnName && target.SortDirection == source.SortDirection);
}
if (baseType.Equals(typeof(StackedHeaderRows)))
{
CloneHelper.EnsureCollection <StackedHeaderRows, StackedHeaderRow>(sourceDataGrid.StackedHeaderRows, clonedDataGrid.StackedHeaderRows, (target, source) => target.Name == source.Name);
// Copying the StackedHeaderRows from sourceDataGrid to DetailsViewDataGrid
foreach (var targetColumn in clonedDataGrid.StackedHeaderRows)
{
var sourceColumn = sourceDataGrid.StackedHeaderRows.ElementAt(clonedDataGrid.StackedHeaderRows.IndexOf(targetColumn));
if (sourceColumn != null)
{
CloneHelper.CloneCollection(sourceColumn.StackedColumns, targetColumn.StackedColumns, typeof(StackedColumn));
}
}
}
if (baseType.Equals(typeof(UnBoundRows)))
{
CloneHelper.EnsureCollection <UnBoundRows, GridUnBoundRow>(sourceDataGrid.UnBoundRows, clonedDataGrid.UnBoundRows, (target, source) => target.Position == source.Position && target.ShowBelowSummary == source.ShowBelowSummary);
}
}
notifier.ResumeNotifyListener();
}
public void EnsureCollection <T, S>(T source, Func <SfDataGrid, T> target, Func <S, S, bool> predicate, IDetailsViewNotifier notifier) where T : IList <S>
{
if (this.SourceDataGrid == notifier)
{
return;
}
var targetList = target(this.SourceDataGrid);
if (source.Count != targetList.Count)
{
targetList.Clear();
CloneHelper.CloneCollection((IList)source, this.SourceDataGrid.Columns, typeof(S));
return;
}
if (!source.Any(column => targetList.All(col => predicate(col, column))))
{
return;
}
targetList.Clear();
CloneHelper.CloneCollection((IList)source, this.SourceDataGrid.Columns, typeof(S));
}
/// <summary>
/// Copy Properties from SourceDataGrid to DetailsViewDataGrid
/// </summary>
/// <param name="sourceDataGrid">Source DataGrid</param>
/// <param name="destinationDataGrid">DetailsViewDataGrid</param>
/// <param name="needToClearProperties">whether need to clear DetailsViewDataGrid properties before assigning new properties from Source DataGrid</param>
internal void CopyPropertiesFromSourceDataGrid(SfDataGrid sourceDataGrid, DetailsViewDataGrid destinationDataGrid, bool needToClearProperties = false)
{
if (needToClearProperties)
{
ClearDetailsViewDataGridProperties(destinationDataGrid);
}
// Copying the properties from sourceDataGrid to DetailsViewDataGrid
CloneHelper.CloneProperties(sourceDataGrid, destinationDataGrid, typeof(SfGridBase));
CloneHelper.CloneCollection(sourceDataGrid.Columns, destinationDataGrid.Columns, typeof(GridColumnBase));
// Need to clone GroupColumnDescriptions first. Else, SortColumnDescriptions will be changed when GroupColumnDescriptions is changed
CloneHelper.CloneCollection(sourceDataGrid.GroupColumnDescriptions, destinationDataGrid.GroupColumnDescriptions, typeof(GroupColumnDescription));
CloneHelper.CloneCollection(sourceDataGrid.SortColumnDescriptions, destinationDataGrid.SortColumnDescriptions, typeof(SortColumnDescription));
CloneHelper.CloneCollection(sourceDataGrid.GroupSummaryRows, destinationDataGrid.GroupSummaryRows, typeof(GridSummaryRow));
CloneHelper.CloneCollection(sourceDataGrid.TableSummaryRows, destinationDataGrid.TableSummaryRows, typeof(GridSummaryRow));
CloneHelper.CloneCollection(sourceDataGrid.UnBoundRows, destinationDataGrid.UnBoundRows, typeof(GridUnBoundRow));
CloneHelper.CloneCollection(sourceDataGrid.CoveredCells, destinationDataGrid.CoveredCells, typeof(CoveredCellInfoCollection));
// UWP-4752 Need to clone SortComparer from sourceDataGrid to DetailsViewDataGrid
CloneHelper.CloneCollection(sourceDataGrid.SortComparers, destinationDataGrid.SortComparers, typeof(SortComparer));
CloneHelper.CloneCollection(sourceDataGrid.StackedHeaderRows, destinationDataGrid.StackedHeaderRows, typeof(StackedHeaderRow));
CloneHelper.CloneCollection(sourceDataGrid.DetailsViewDefinition, destinationDataGrid.DetailsViewDefinition, typeof(ViewDefinition));
#if WPF
destinationDataGrid.SearchHelper.SearchText = sourceDataGrid.SearchHelper.SearchText;
destinationDataGrid.SearchHelper.AllowFiltering = sourceDataGrid.SearchHelper.AllowFiltering;
destinationDataGrid.SearchHelper.SearchType = sourceDataGrid.SearchHelper.SearchType;
destinationDataGrid.SearchHelper.CanHighlightSearchText = sourceDataGrid.SearchHelper.CanHighlightSearchText;
#endif
// Copying the columns from sourceDataGrid to DetailsViewDataGrid
foreach (var targetColumn in destinationDataGrid.Columns)
{
var sourceColumn = sourceDataGrid.Columns.FirstOrDefault(x => x.MappingName == targetColumn.MappingName);
if (sourceColumn != null)
{
CloneHelper.CloneCollection(sourceColumn.FilterPredicates, targetColumn.FilterPredicates, typeof(FilterPredicate));
}
}
// Copying the StackedHeaderRows from sourceDataGrid to DetailsViewDataGrid
foreach (var targetColumn in destinationDataGrid.StackedHeaderRows)
{
var sourceColumn = sourceDataGrid.StackedHeaderRows.ElementAt(destinationDataGrid.StackedHeaderRows.IndexOf(targetColumn));
if (sourceColumn != null)
{
CloneHelper.CloneCollection(sourceColumn.StackedColumns, targetColumn.StackedColumns, typeof(StackedColumn));
}
}
//The following properties should be same for Parent grid and DetailsViewDataGrid.
// Suspend sourceDataGrid notification since it will set properties for all DetailsViewDataGrids
(sourceDataGrid as IDetailsViewNotifier).SuspendNotifyListener();
sourceDataGrid.AllowSelectionOnPointerPressed = destinationDataGrid.AllowSelectionOnPointerPressed = _parentDataGrid.AllowSelectionOnPointerPressed;
sourceDataGrid.SelectionMode = destinationDataGrid.SelectionMode = _parentDataGrid.SelectionMode;
sourceDataGrid.SelectionUnit = destinationDataGrid.SelectionUnit = _parentDataGrid.SelectionUnit;
sourceDataGrid.NavigationMode = destinationDataGrid.NavigationMode = _parentDataGrid.NavigationMode;
sourceDataGrid.DetailsViewPadding = destinationDataGrid.DetailsViewPadding = _parentDataGrid.DetailsViewPadding;
sourceDataGrid.ReuseRowsOnItemssourceChange = destinationDataGrid.ReuseRowsOnItemssourceChange = _parentDataGrid.ReuseRowsOnItemssourceChange;
#if WPF
sourceDataGrid.UseDrawing = destinationDataGrid.UseDrawing = _parentDataGrid.UseDrawing;
#endif
// Resume sourceDataGrid notification
(sourceDataGrid as IDetailsViewNotifier).ResumeNotifyListener();
}
